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This article reviews Vitamin D-dependent rickets Type II with a focus on alopecia as a potential diagnostic clue for this rare disorder, reporting no new clinical findings.

This study among ethnic Saudi Arabian women concluded that symptoms like muscle cramps, fatigue, mood swings, hair loss, back pain, and weight gain were more common in those with lower vitamin D levels.

This review discusses the potential role of vitamin D supplementation as a therapeutic option for alopecia areata due to its immune-regulating effects and reports no new clinical results.

This study found a significant association between lower vitamin D levels and increased severity of androgenetic alopecia in men.

This study observed lower vitamin D levels in alopecia areata patients compared to healthy controls and suggested a possible causal role of vitamin D deficiency in the condition.

This study found that patients with telogen effluvium had significantly lower serum ferritin levels compared to healthy controls, suggesting a relationship between telogen effluvium and decreased iron stores.

This study observed that vitamin D deficiency is linked to a weakened immune system and may promote autoimmune inflammation in individuals with diffuse alopecia, where hair loss happens throughout the scalp.

This review discusses the potential role of vitamins and minerals in managing non-scarring alopecia but reports no clinical results; the authors advocate for further controlled trials to explore these relationships.

This study found that the vitamin D receptor is crucial for initiating the postnatal hair follicular cycle in mice, preventing alopecia associated with its inactivation.

This review discusses the association between vitamin D receptor polymorphisms and polycystic ovary syndrome, noting the need for further research on their impact on the disorder's manifestations.

This review suggests that decreased serum 25-hydroxyvitamin D levels may play a role in different types of non-scarring alopecia, but further studies are needed to explore vitamin D supplementation as a therapeutic option.

In this study, the researchers found that vitamin D and calcium signaling in keratinocytes are essential for normal skin regeneration after wounding, with deficiencies significantly delaying wound closure and re-epithelialization in mice.

This study found that a 12-week supplementation with a combination of insulin sensitizing agents, antioxidants, and vitamins significantly improved menstrual cyclicity, acne, and hirsutism in women with PCOS, with additional weight loss benefits in obese subjects.

In this study, mutations in the vitamin D receptor were identified in Brazilian children with rickets and alopecia, leading to impaired receptor activation and reduced 24-hydroxylase expression.

This study found that a novel missense mutation in the vitamin D receptor caused hereditary 1,25-dihydroxyvitamin D-resistant rickets with alopecia by disrupting protein function, highlighting the importance of DNA binding in hair development.

This study found that patients with myotonic dystrophy types 1 and 2 often exhibit skin abnormalities, which correlate with genotype severity and serum vitamin D levels, and suggest premature aging.

Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.

This study demonstrated that high doses of L-cystine and vitamin B6 effectively prevent doxorubicin-induced hair loss in mice.

This case report documents a female toddler with novel compound heterozygous mutations in the VDR gene causing hereditary 1,25-dihydroxyvitamin D-resistant rickets, expanding the known mutation spectrum for this disease.

This study found a significant correlation between vitamin D deficiency and the severity of androgenetic alopecia in males, suggesting that vitamin D may influence the condition's premature onset.

This study demonstrated that an LC/MS-MS method could effectively detect and quantify the vitamin B3 vitamer nicotinamide in human hair, suggesting its potential use for long-term deficiency examination.

This study found that patients with alopecia areata had significantly lower serum vitamin D levels and higher odds of vitamin D deficiency, but no significant difference in serum calcium levels, compared to controls.

This article recommends assessing serum ferritin and vitamin D levels in patients with diffuse hair loss before starting treatment, but it reports no new clinical results.

This study found no significant correlation between vitamin D levels and disease severity in alopecia areata patients, highlighting the need for further research on vitamin D supplementation's effects.

This study found no significant association between premature hair graying and serum ferritin or vitamin D levels in young adult males at Universitas Sumatera Utara.

This report suggests that correcting nutritional deficiencies may improve hair quality in patients with Monilethrix and similar hair shaft disorders, though it is not a cure.

This article discusses the multifactorial nature of acne, including its association with follicular hyperkeratosis, sebaceous lipids, Propionibacterium acnes, and perifollicular inflammation, but reports no new clinical findings.

This study found that the adult population in Majmaah, Saudi Arabia, has limited knowledge and practice regarding vitamin D deficiency, despite widespread awareness from media sources.

In this study, researchers observed that dietary vitamin D intake and light exposure play a crucial role in vitamin D metabolism in mice, suggesting similar importance for human health in maintaining optimal vitamin D levels.

This study observed no significant difference in vitamin D levels between children with alopecia areata and controls, but higher complete improvement in alopecia was noted among patients with vitamin D deficiency undergoing oral vitamin D treatment.